How many movies have Ikkō Ōkuni and Yoshikazu Inoue collaborated on?

They have worked on 3 movies together! Their first movie together was Bloody Account of Jirocho: Raid on the Road (1960) and was their highest rated movie together. They have not worked together since Moonshadow Ninja Scroll: Twenty-One Eyes (1963). They are most known for their drama films together.